Allow git-merge to select the default strategy.

Now that git-merge knows how to use the pull.{twohead,octopus}
configuration options to select the default merge strategy there
is no reason for git-pull to do the same immediately prior to
invoking git-merge.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

git-pull.sh

@@ -90,18 +90,6 @@ case "$merge_head" in
 		echo >&2 "Cannot merge multiple branches into empty head"
 		exit 1
 	fi
-	var=`git-repo-config --get pull.octopus`
-	if test -n "$var"
-	then
-		strategy_default_args="-s $var"
-	fi
-	;;
-*)
-	var=`git-repo-config --get pull.twohead`
-	if test -n "$var"
-        then
-		strategy_default_args="-s $var"
-	fi
 	;;
 esac
 
@@ -112,12 +100,6 @@ then
 	exit
 fi
 
-case "$strategy_args" in
-'')
-	strategy_args=$strategy_default_args
-	;;
-esac
-
 merge_name=$(git-fmt-merge-msg <"$GIT_DIR/FETCH_HEAD") || exit
 exec git-merge $no_summary $no_commit $squash $strategy_args \
 	"$merge_name" HEAD $merge_head